Immunogenetics of uveitis in leprosy.

Abstract:

PURPOSE:To identify any possible determinants in the development of uveitis in leprosy patients. METHODS:Human leukocyte antigen (HLA) class I and II antigen, and HLA class II genotypings were analyzed among Japanese leprosy patients. Ninety-three unrelated Japanese leprosy patients (46 patients with a history of uveitis and 47 patients without uveitis) and 114 healthy control subjects were investigated. RESULTS:The occurrence of HLA-DR2 was significantly higher in patients with uveitis (78.3%) than in those without uveitis (57.4%; odds ratio = 2.7, P<.05) and in the controls (33.3%; odds ratio = 7.2, P<.0000005, Pc<.00005). The occurrence of HLA-DR4 was significantly lower in patients with uveitis (15.2%) than in those without it (38.3%; odds ratio = 0.29, P<.05) and in the controls (46.5%; odds ratio = 0.21, P<.0005, Pc<.05). Furthermore, the frequencies of DR2-positive and DR4-negative genotypes were significantly higher in patients with uveitis (69.6%) than in those without it (38.3%; odds ratio = 3.7, P<.005) and in the controls (21.9%; odds ratio = 8.1, P<.00000005). At the genomic level, the occurrence of HLA-DQB1*0302 was significantly lower in the patients with uveitis (8.7%) than in those without it (25.5%; odds ratio = 0.28, P<.05). The distribution of HLA-DRB1 and DQA1 alleles was not significantly different between the patients with and those without uveitis. However, the frequencies of DRB1*1501-positive, as well as DRB1*0405- and DQB1*0302-negative genotypes were significantly higher in the patients with uveitis (47.8%) than in those without it (25.5%; odds ratio = 2.7, P<.05) and in the controls (8.8%; odds ratio = 9.5, P<.00000005). CONCLUSIONS:Our results suggest that HLA Class II genes confer susceptibility to or protection from leprous uveitis.

journal_name

Jpn J Ophthalmol

authors

Joko S,Numaga J,Maeda H

doi

10.1016/s0021-5155(98)00068-9

keywords:

subject

Has Abstract

pub_date

1999-03-01 00:00:00

pages

97-102

issue

2

eissn

0021-5155

issn

1613-2246

pii

S0021515598000689

journal_volume

43

pub_type

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